tanbark

== English == === Etymology === From tan +‎ bark. === Noun === tanbark (countable and uncountable, plural tanbarks) The bark of the oak (or other trees) used as a source of tannin. The spent bark used as a ground covering. (in the San Francisco Bay Area, uncountable) Woodchips, especially when used as as a ground covering on children's playgrounds. ==== Translations ====